Home / 249,678.14-344,555.76-136,500.88

Finding the Fourth Proportional to 249,678.14, 344,555.76 and 136,500.88

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Solution

The fourth proportional to 249,678.14, 344,555.76 and 136,500.88 is: 188,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,678.14 : 344,555.76 = 136,500.88 : x
  2. Step 2: Convert to fraction form
    249,678.14/344,555.76 = 136,500.88/x
  3. Step 3: Cross multiply
    249,678.14x = 344,555.76 × 136,500.88
  4. Step 4: Simplify right side
    249,678.14x = 47,032,164,449.07
  5. Step 5: Solve for x
    x = 47,032,164,449.07/249,678.14
  6. Step 6: Final answer
    x = 188,371.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.